Home / 167,581.40-251,230.46-72,739.86

Finding the Fourth Proportional to 167,581.40, 251,230.46 and 72,739.86

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Solution

The fourth proportional to 167,581.40, 251,230.46 and 72,739.86 is: 109,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,581.40 : 251,230.46 = 72,739.86 : x
  2. Step 2: Convert to fraction form
    167,581.40/251,230.46 = 72,739.86/x
  3. Step 3: Cross multiply
    167,581.40x = 251,230.46 × 72,739.86
  4. Step 4: Simplify right side
    167,581.40x = 18,274,468,488.14
  5. Step 5: Solve for x
    x = 18,274,468,488.14/167,581.40
  6. Step 6: Final answer
    x = 109,048.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.